<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>99乘法口诀</title>
    <style>
        body{
            width: 100%;
        }
        td{
            border: 1px solid #666;
            padding: 3px 5px;
        }
        table{
            border-collapse: collapse;
        }
    </style>
</head>
<body>
<script>
        document.write("<table>");
        for (var i=1;i<=9;i++){
            document.write("<tr>");
            for (var j=1;j<=i;j++){
                document.write("<td>");
                document.write(j+"*" + i + "=" + j * i);
                document.write("</td>")
            }
            document.write("</tr>");
        }
        document.write("</table>");
</script>
</body>
</html>